Samsung MultiXpress K7 Series Service Manual page 401

► Error Code
S1–4111
► Error message
Video System Failure #S1-4111: Turn off then on.
► Symptom
The main board can't send the data through the network channel.
► Troubleshooting method
1) Check if the green LED of the network port is on.
2) If not, unplug and reconnect the network cable.
3) If the problem persists, replace the main board.
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4. Troubleshooting
4-150